Alexander Shaplov - Crystal structure of 1,3-dialkylimidazolium bromide salts

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      Publication Details (including relevant citation   information):

      D.G. Golovanov, K.A. Lyssenko, Ya.S. Vygodskii, E.I. Lozinskaya,   A.S. Shaplov, M.Yu. Antipin, Russ. Chem.   Bull., 2006, v. 55, no 11, P.   1989-1190 (Chem Abstr 2008, 148, 89511).


      Systematic X-ray diffraction study of the crystal structures of   1,3-dialkylimidazole-based

      ionic liquids containing the Br– anion was performed. Analysis of   the influence of the nature of

      the cation on the formation of a hydrogen bond system and the   supramolecular arrangement of

      ions demonstrated that not only CH...Br contacts but also   anion-π-system and CH-π-system

      interactions exist in the crystalline state. Conclusions were   drawn on the character of changes

      in the melting point in a series of bromide ionic liquids   containing the imidazolium cation.

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